257356920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2144641}}^1$

素因数の和:2144655

約数の個数: 32

約数和(自身を含む): 772071120

約数和(自身を除く): 514714200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2144641, 4289282, 6433923, 8578564, 10723205, 12867846, 17157128, 21446410, 25735692, 32169615, 42892820, 51471384, 64339230, 85785640, 128678460, 257356920]

約数ペア:

[(1, 257356920), (2, 128678460), (3, 85785640), (4, 64339230), (5, 51471384), (6, 42892820), (8, 32169615), (10, 25735692), (12, 21446410), (15, 17157128), (20, 12867846), (24, 10723205), (30, 8578564), (40, 6433923), (60, 4289282), (120, 2144641)]